<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<meta http-equiv="Content-Language" content="zh-CN" />
<title>LVCMS旅游系统管理中心</title>
<style type="text/css">
<!--
* { margin:0; padding:0; border:0; }
body { background:yellow; background:url() repeat-y left; }
a.ctr_close{background:url();width:10px;height:200px;overflow: hidden;position:absolute; top:50%; left:50%; margin:-100px 0 0 -5px; cursor:pointer;}
a.ctr_open{background:url();width:10px;height:200px;overflow: hidden;position:absolute; top:50%; left:50%; margin:-100px 0 0 -5px; cursor:pointer;};
-->
</style>
</head>
<script type="text/javascript">
var counter = 0;  //加个计数参数 
//伸缩frame 
function folder(){ 

       counter++; 
        if(parent.document.getElementById('frameset_main').cols=="0,10,*"){
            parent.document.getElementById('frameset_main').cols = "180,10,*";       
            document.getElementById('close').style.display="block";
            document.getElementById('open').style.display="none";
            
        }else{
            parent.document.getElementById('frameset_main').cols="0,10,*";
            document.getElementById('close').style.display="none";
            document.getElementById('open').style.display="block";
        }

}
</script>
<body>
<a class="ctr_close" alt="点击关闭" id="close" onclick="folder()"></a>
<a class="ctr_close" alt="点击展开"  id="open"style="display:none;" onclick="folder()"></a>
</body>
</html>
